19 settings, 1 sound and alerts, 1 adjusting ringer volume – AASTRA DT690 User Manual

Page 106: 2 different ring signals for different call types

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19 settings, 1 sound and alerts, 1 adjusting ringer volume | 2 different ring signals for different call types | AASTRA DT690 User Manual | Page 106 / 140 19 settings, 1 sound and alerts, 1 adjusting ringer volume | 2 different ring signals for different call types | AASTRA DT690 User Manual | Page 106 / 140
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